Pith Number

pith:K527WPIE

pith:2011:K527WPIELZWX2ONM3J7RZEWJJX

not attested not anchored not stored refs pending

Search for the optical counterpart to SGR 0418+5729

(2) Penn State, 3) ((1) University of Florida, (3) St-Petersburg Polytechnic University), George G. Pavlov (2, Martin Durant (1), Oleg Kargaltsev (1)

arxiv:1108.3340 v2 · 2011-08-16 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K527WPIELZWX2ONM3J7RZEWJJX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:00:53.092597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5775fb3d045e6d7d39acda7f1c92c94de77ec42f00b8fba8bc58c6bb5a2e5c5b

Aliases

arxiv: 1108.3340 · arxiv_version: 1108.3340v2 · doi: 10.48550/arxiv.1108.3340 · pith_short_12: K527WPIELZWX · pith_short_16: K527WPIELZWX2ONM · pith_short_8: K527WPIE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/K527WPIELZWX2ONM3J7RZEWJJX \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5775fb3d045e6d7d39acda7f1c92c94de77ec42f00b8fba8bc58c6bb5a2e5c5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5fc43f209319f61236acbe52e5092c8d0d4801e5d20dee208b6544a779f6f98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-16T20:01:00Z",
    "title_canon_sha256": "366655b155e0d2c1126cc01c48e644f71ceeb9a9ffef40a48593da17a93bbace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3340",
    "kind": "arxiv",
    "version": 2
  }
}